US health campaigners Wednesday hailed the announcement of new anti-pollution standards for American manufacturers, but industry leaders condemned the rules for being costly and overly aggressive. The ...

The principle of fine dust measurements using a smartphone corresponds to that of simple optical sensors. BERLIN: German scientists are developing a new sensor that attaches to a smartphone and ...

Four South Asian countries -- Bangladesh, India, Nepal and Pakistan -- have agreed to drastically bring down the annual average of particulate matter (PM) 2.5 in the countries' air to 35 microgrammes ...

RALEIGH, N.C. -- One afternoon last month, artist Sarahlaine Calva kneeled on the sidewalk above a storm drain along John Chavis Memorial Park, southeast of downtown, painting a mural of giant flowers ...

Once again, businesses are complaining that the cost of cleaning up L.A.’s rotten air will take too big a bite out of their bottom line. This time it’s school bus contractors who, along with school ...